Atrial fibrillation (AFib) is an abnormal heart rhythm that causes an irregular and rapid heartbeat. Medications to treat AFib include beta-blockers, blood thinners, and heart rhythm drugs. AFib medications can cause side effects.

Read about symptoms and signs of cocaine and crack abuse and addiction. Plus, learn about treatment, prevention, and the physical and psychological effects of cocaine and crack abuse.

Raynaud's phenomenon symptoms and signs include the fingers turning white, then blue, and then red after exposure to cold temperature or emotional events. Read about treatment, causes, and diagnosis, plus, see pictures.

Hyperthyroidism (overactive thyroid) is a condition involving an overproduction of thyroid hormones. Learn about causes, symptoms and tests for hyperthyroidism. Treatments include medication, radioactive iodine and thyroidectomy (surgery to remove the thyroid).

Read about the causes of dizziness including low blood pressure, anemia, dehydration, vertigo, medications, alcohol use, and pregnancy. How to get rid of dizziness, diagnosis, and treatment information is also included.

Cirrhosis of the liver symptoms includes jaundice, fatigue, weakness, loss of appetite, itching, and easy bruising. Learn about causes, treatment, 4 stages, life expectancy, and cancer.

Mitral valve prolapse is the most common abnormality of the heart valve. Most people with mitral valve prolapse do not have symptoms or signs, and do not require treatment. However, when symptoms of mitral valve prolapse or complications do occur, they include anxiety, sharp chest pain, palpitations, and migraines. Some people may need medications, and rarely, surgery to repair the heart valve.

Cyclic vomiting syndrome (CVS) is a condition that is related to migraine headache. Symptoms of CVS include severe nausea and vomiting. Triggers of CVS include emotional stress and infections. In addition to the patient's primary-care physician or pediatrician, gastroenterologists are usually consulted.

Migraines are a type of headache with signs and symptoms of sensitivity to light, smells or sounds, eye pain, nausea, and vomiting. A migraine aura may precede an attack. Learn migraine triggers, treatments, medications, and home remedies.

Panic attacks may be a symptom of an anxiety disorder. Symptoms and signs of a panic attack include palpitations, shortness of breath, shaking, and chest pain. Treatment for panic attacks can include medications, avoiding triggers, getting adequate rest, and stress-reducing activities (yoga, exercise, etc.).

Post-traumatic stress disorder (PTSD) is an emotional illness that causes symptoms like difficulty with emotional regulation, hypervigilance, and flashbacks. Read about posttraumatic stress disorder (PTSD) symptoms (nightmares, flashbacks), causes (war, traumatic events), effects (depression, suicide), and treatment (medication, therapy).

Generalized anxiety disorder (GAD) causes symptoms such as dread, worry, and angst. About 9% of people will develop GAD during their lifetime. Get the facts on GAD symptoms, medications, and treatment.

Read about mental health, and learn about common types of mental illness, such as anxiety, depression, and behavioral and substance abuse disorders.

What is heart bypass surgery through coronary artery bypass graft, (CABG)? Learn how coronary artery disease is diagnosed, treated, recovery time, risks and complications, and the long term results after CABG. Discover the definition of coronary artery bypass graft.

Information on coronary balloon angioplasty and stents. Angioplasty and stent placement is a nonsurgical procedure performed to relieve narrowing or obstruction of the arteries to the muscles of the heart.

Read about heart attack (myocardial infarction) treatment, including medications such as antiplatelet agents, aspirin, ACE inhibitors, beta blockers, nitrates, stents, and surgery. Read about heart attack (myocardial infarction) symptoms, treatment options, guidelines, and surgery.

High blood pressure can be reduced and managed naturally with the DASH diet, and by quitting smoking, reducing alcohol intake, and cutting back on caffeine. Combined with diet, other natural ways to lower blood pressure naturally are stress reduction and weight loss. If high blood pressure cannot be controlled naturally, medications may be necessary.

Atrial fibrillation (AFib) is a common heart rhythm abnormality with symptoms like dizziness, fainting, weakness, fatigue, and shortness of breath. Types of AFib include paroxysmal and nonvalvular.

Erectile dysfunction (ED, impotence) is the failure to achieve or maintain an erection. Learn about ED causes, symptoms, treatment, medications, risks, and ED drug side effects. ED is curable.

Common anxiety prescriptions are SSRIs, antidepressants, anti-anxiety medications, and beta-blockers. Learn how they work, types, drug interaction and the side effects of each.